CN206192489U - A portable scale or luggage scale with self-generating function - Google Patents

Abstract

The utility model discloses a hand-held scale or luggage scale with a self-generating function, comprising a scale body and a main control board arranged in the inner cavity of the scale body, and a sensor module, a display screen module, and an energy storage module electrically connected to the main control board respectively. The scale body also comprises a weighing hook connected to the sensor module, a power generation device for converting mechanical energy into electric energy, and a rectifying and voltage-stabilizing circuit; the bottom of the scale body is opened to pass through the weighing hook, and the output end of the power generation device, the rectifying and voltage-stabilizing circuit, and the energy storage module are electrically connected in sequence to form a charging circuit. According to the design, a user can generate electricity by himself through the power generation device anytime and anywhere, convert mechanical energy into electric energy, and the electric energy is stored in the electric storage module after passing through the rectifying and voltage-stabilizing circuit, without replacing the battery, and is green and environmentally friendly. If the power of the hand-held scale or luggage scale is insufficient, it can be immediately charged and continued to be used.

Description

A portable scale or luggage scale with self-generating function

technical field

The utility model relates to a portable scale or a luggage scale, in particular to a portable scale or a luggage scale with a self-generating function.

Background technique

Portable scales and luggage scales are small, easy-to-use portable scales or luggage scales that users can carry with them, and can be used to weigh luggage or small items anytime, anywhere, such as weighing luggage at the airport when they are on a business trip. After arriving at the airport, the user finds out that the luggage is overweight, so he needs to pay for the overweight luggage. If he can know the weight of his luggage in advance, he can avoid the overweight fee.

The portable scales or luggage scales on the market are powered by dry batteries, but the batteries will run out of power. When you want to weigh and find that there is no power, it will be very inconvenient. The existing charging method uses light to convert light energy into electric energy. Since portable scales or luggage scales are mainly designed for the convenience of users to carry with them, they are designed to be small in size. Scale or luggage scale usage requirements.

Contents of the invention

In order to solve the above technical problems, the purpose of this utility model is to provide a portable scale or luggage scale which is easy to carry and has the function of self-generating power.

The technical scheme that the utility model adopts is:

A portable scale or luggage scale with self-generating function, comprising a scale body, a main control board arranged in the inner cavity of the scale, and a sensor module, a display module, and an energy storage module respectively electrically connected to the main control board. The scale body also includes a weighing hook connected to the sensor module, a power generation device that converts mechanical energy into electrical energy, and a rectification and voltage stabilization circuit; The energy storage modules are electrically connected in sequence to form a charging circuit.

The power generating device is a rotary driving device.

The rotary driving device includes a force applying mechanism and a multi-stage gear set and a generator arranged in the inner cavity of the scale. The force applying mechanism extends from the outside of the scale to the inner cavity of the scale and is connected with the multi-stage gear set in transmission. The driving end of the stage gear set meshes with the rotor of the generator, and the output end of the generator is electrically connected with the rectifying and stabilizing circuit.

The force application mechanism includes a knob cover and an annular rack arranged on the inner wall of the knob cover. The knob cover is arranged on the scale body and the bottom of the knob cover extends into the inner cavity of the scale. The multi-stage gear set and the generator are arranged on Inside the knob cover, this ring rack meshes with the input of the multi-stage gear set.

The force applying mechanism includes a roller arranged on the scale body, and the central axis of the roller is coaxial with the rotating shaft of the multi-stage gear set or connected through gear transmission.

The power generating device is a swing driving device.

The oscillating driving device includes a generator coil arranged in the inner cavity of the scale and a magnetic block movably connected to the generator coil, and the output end of the generator coil is electrically connected with a rectification and voltage stabilization circuit.

A coil stand is arranged inside the generating coil, and the magnetic block is arranged inside the generating coil and is movably connected with the coil stand so as to move along the coil stand.

The scale body includes a face cover and a bottom cover, the face cover and the bottom cover are connected to form the scale inner cavity, and the bottom cover is opened to pass through the weighing hook.

The beneficial effects of the utility model:

The portable scale or luggage scale with self-generating function of the utility model includes a scale body and a hook at the bottom of the scale body pierced through a hook connected to a sensor module. The scale body is compact and convenient for users to carry. Converted into electric energy, the electric energy is stored in the power storage module after being rectified and stabilized by the voltage-stabilizing circuit, and there is no need to replace the battery. It is green and environmentally friendly. If the electric energy of the portable scale or luggage scale is insufficient, it can be charged immediately and continued to be used.

The power generation device adopts a shaking drive device. When the user shakes a portable scale or a luggage scale, the magnetic block movable connected in the scale moves on the generator coil. In other words, the generator coil cuts the magnetic induction line on the magnetic field, and the generator coil generates electric energy. After being input to the rectification and voltage stabilization circuit, it is stored in the power storage module. The user can charge the portable scale or luggage scale by hand or vibration generated during the moving process, which is convenient and direct.

Description of drawings

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described further.

Fig. 1 is the principle diagram of the utility model portable scale or luggage scale.

Fig. 2 is a front view of Embodiment 1 of the portable scale or luggage scale of the present invention.

Fig. 3 is an exploded view of Embodiment 1 of the portable scale or luggage scale of the present invention.

Fig. 4 is a partial schematic view of the force applying mechanism and the multi-stage gear set in Embodiment 1 of the portable scale or luggage scale of the present invention.

Fig. 5 is a cross-sectional view of Embodiment 2 of the portable scale or luggage scale of the present invention.

Fig. 6 is an exploded view of Embodiment 2 of the portable scale or luggage scale of the present invention.

Fig. 7 is an internal schematic diagram of Embodiment 2 of the portable scale or luggage scale of the present invention.

Fig. 8 is a front view of Embodiment 3 of the portable scale or luggage scale of the present invention.

Fig. 9 is an exploded view of Embodiment 3 of the portable scale or luggage scale of the present invention.

Fig. 10 is an internal schematic diagram of Embodiment 3 of the portable scale or luggage scale of the present invention.

detailed description

As shown in Figure 1, the portable scale or luggage scale of the utility model includes a scale body 1 belonging to the basic components of the portable scale or luggage scale, a main control board 3 arranged in the inner cavity 2 of the scale, and a main control board 3 electrically connected to the main control board 3 respectively. The sensor module 4, the display module 5, the energy storage module 6, and the button module 10 are connected together, and the scale body 1 is provided with a lens 51 for protecting the display screen on the upper part of the display module 5. The scale body 1 can be an integral shell, and can also include a face cover 11 and a bottom cover 12, the face cover 11 and the bottom cover 12 are connected to form the inner cavity 2 of the scale, the sensor module 4 is a pressure sensor, the number of sensors, the matching The types of AD conversion circuit, display module 5 and energy storage module 6 (such as rechargeable battery, capacitive element, etc.) can be replaced arbitrarily in conventional options. Since the above components belong to existing solutions, they will not be described again.

The portable scale or luggage scale of this design is small in appearance and is convenient for users to carry. The scale body 1 also includes a weighing hook 7 connected to the sensor module 4, and an opening is opened at the bottom of the integrated shell or on the bottom cover 12 to pass through the hook 7, such as As shown in FIG. 5 , if used as a luggage scale, the scale body 1 also includes a strap 71 connected to the sensor module 4 and the weighing hook 7 respectively.

In order that users can charge portable scales or luggage scales anytime and anywhere, this design also includes a power generation device 8 that converts mechanical energy into electrical energy, a rectification and voltage stabilization circuit 9, an output terminal of the power generation device 8, a rectification and voltage stabilization circuit 9, and an energy storage module 6 They are electrically connected in sequence to form a charging circuit. The user applies corresponding actions on the power generating device 8. The power generating device 8 converts the mechanical energy generated by the user's manpower into electrical energy, and stores it in the power storage module 6 after passing through the rectifying and stabilizing circuit 9. This design There is no need to replace the battery, and it is environmentally friendly. When the power of the portable scale or luggage scale is insufficient, the user can continue to use it after charging immediately.

Power generating device 8 wherein has multiple embodiments, enumerates some as follows:

Firstly, according to the different power generating components inside the power generating device 8 , it is divided into a rotary driving device 81 and a swing driving device 82 .

Embodiment 1: As shown in Figures 2-4, the power generating device 8 is a rotary drive device 81, where the rotary drive device 81 includes a force applying mechanism 811 and a multi-stage gear set arranged in the inner cavity 2 of the scale 812, generator 813, the force applying mechanism 811 extends from the scale body 1 to the scale inner chamber 2 and is connected to the multi-stage gear set 812 in transmission, the driving end of the multi-stage gear set 812 meshes with the rotor of the generator 813, and the generator The output end of 813 is electrically connected to the rectifying and stabilizing circuit 9. The force applying mechanism 811 here includes a knob cover 8111 and an annular rack 8112 arranged on the inner side wall of the knob cover 8111. The knob cover 8111 is arranged on the scale body 1 and The bottom of the knob cover 8111 extends into the inner cavity 2 of the scale. The multi-stage gear set 812 and the generator 813 are arranged in the knob cover 8111 . The ring rack 8112 meshes with the input end of the multi-stage gear set 812 .

The shape structure of this design is: the surface cover 11 and the bottom cover 12 are enclosed to form a circular tube, and the surface cover 11 and the bottom cover 12 are each one side of the circular tube (that is, the cross section of the surface cover 11 and the bottom cover 12 is a semicircle), The knob cover 8111 here is arranged on one end of the circular tube.

When the user needs to charge the portable scale or luggage scale, he only needs to turn the knob cover 8111, and the ring rack 8112 on the knob cover 8111 drives the gears in the multi-stage gear set 812 to rotate. There are four mutual gears in the multi-stage gear set 812 here. The meshed gears form a four-stage acceleration. The number of gears is not limited here. The multi-stage gear set 812 drives the rotor of the generator 813 to rotate, converts mechanical energy into electrical energy, and stores it in the power storage module 6 after passing through the rectification and voltage stabilization circuit 9 middle.

Embodiment 2: As shown in Figures 5-7, the power generating device 8 is a rotary drive device 81, where the rotary drive device 81 includes a force applying mechanism 811 and a multi-stage gear set arranged in the inner cavity 2 of the scale 812, generator 813, the force applying mechanism 811 extends from the scale body 1 to the scale inner chamber 2 and is connected to the multi-stage gear set 812 in transmission, the driving end of the multi-stage gear set 812 meshes with the rotor of the generator 813, and the generator The output end of 813 is electrically connected to the rectification and voltage stabilization circuit 9, and the force applying mechanism includes a roller 8113 arranged on the scale body 1, the central axis of the roller 8113 is coaxial with the rotating shaft of the multi-stage gear set 812 or is driven by gears. Connected, the central axis of the roller 8113 is arranged on both sides of the scale body 1, and the roller 8113 extends to the outside of the scale body 1.

The user turns the roller 8113, and the central shaft of the roller 8113 drives the multi-stage gear set 812 to rotate. There are four gears meshing with each other in the multi-stage gear set 812 here, forming a four-stage acceleration. The number of gears is not limited here. The stage gear set 812 drives the rotor of the generator 813 to rotate, converts mechanical energy into electrical energy, and stores it in the power storage module 6 after passing through the rectification and voltage stabilization circuit 9 .

Embodiment 3: As shown in FIGS. 8-10 , the power generating device 8 is a oscillating drive device 82 , and the oscillating drive device 82 includes a generator coil 821 arranged in the cavity 2 of the scale and a magnetic block movably connected to the generator coil 821 822, the output end of the generating coil 821 is electrically connected with the rectifying and stabilizing circuit 9, and a coil stand 8211 is arranged inside the generating coil 821, and the magnetic block 822 is arranged inside the generating coil 821 and is movably connected with the coil stand to move along the coil The stand moves.

The user shakes the portable scale or luggage scale, and the magnetic block 822 movably connected in the scale body 1 moves on the generator coil 821. In other words, the generator coil 821 cuts the magnetic field line on the magnetic field generated by the magnet block. The generated electric energy is input to the rectifying and stabilizing circuit 9 and stored in the power storage module 6. The user can charge the portable scale or luggage scale by hand or vibration generated during the moving process, which is convenient and direct.

The above is only the preferred implementation of the utility model, the utility model is not limited to the above implementation, as long as the technical solutions to achieve the purpose of the utility model by basically the same means are within the scope of protection of the utility model.

Claims (10)

1. the portable scale or luggage scale of a kind of spontaneous electrical function, including scale body（1）Be arranged on scale intracoelomic cavity（2）In main control Plate（3）And respectively with master board（3）The sensor assembly of electric connection（4）, display panel module（5）, energy-storage module（6）, It is characterized in that：The scale body（1）Also include and sensor assembly（4）The hook of weighing of connection（7）, mechanical energy is converted into electricity The TRT of energy（8）, regulator rectifier circuit（9）；The scale body（1）Bottom opening is passing hook of weighing（7）, TRT （8）Output end, regulator rectifier circuit（9）, energy-storage module（6）It is electrically connected with to constitute charging circuit successively.

2. the portable scale or luggage scale of a kind of spontaneous electrical function according to claim 1, it is characterised in that：The dress that generates electricity Put（8）It is rotary type drive device（81）.

3. the portable scale or luggage scale of a kind of spontaneous electrical function according to claim 2, it is characterised in that：The rotary type Drive device（81）Including force application mechanism（811）And it is arranged on the scale intracoelomic cavity（2）In multi-stage gear group（812）, hair Motor（813）, force application mechanism（811）From scale body（1）Extend to scale intracoelomic cavity outward（2）In and with multi-stage gear group（812）Transmission Connection, multi-stage gear group（812）Drive end and generator（813）Rotor engagement, generator（813）Output end and rectification Mu balanced circuit（9）It is electrically connected with.

4. the portable scale or luggage scale of a kind of spontaneous electrical function according to claim 3, it is characterised in that：The force machine Structure（811）Including knob lid（8111）And it is arranged on knob lid（8111）The annular rack of madial wall（8112）, the knob lid （8111）It is arranged on scale body（1）Upper and knob lid（8111）Bottom extends to scale intracoelomic cavity（2）In, the multi-stage gear group （812）, generator（813）It is arranged on knob lid（8111）It is interior, the annular rack（8112）With multi-stage gear group（812）Input End engagement.

5. the portable scale or luggage scale of a kind of spontaneous electrical function according to claim 3, it is characterised in that：The force machine Structure includes being arranged on scale body（1）On roller（8113）, the roller（8113）Central shaft and the multi-stage gear group（812）'s Rotating shaft is coaxial or is connected by gear drive.

6. the portable scale or luggage scale of a kind of spontaneous electrical function according to claim 1, it is characterised in that：The dress that generates electricity Put（8）It is rock type drive device（82）.

7. the portable scale or luggage scale of a kind of spontaneous electrical function according to claim 6, it is characterised in that：It is described rock type Drive device（82）Including being arranged on scale intracoelomic cavity（2）Power coil（821）And in power coil（821）Upper flexible connection Magnetic patch（822）, the power coil（821）Output end and regulator rectifier circuit（9）It is electrically connected with.

8. the portable scale or luggage scale of a kind of spontaneous electrical function according to claim 7, it is characterised in that：The generating line Circle（821）Inside it is provided with coil stand（8211）, the magnetic patch（822）It is arranged on power coil（821）It is internal and with coil stand It is flexibly connected and is moved with along coil stand.

9. the portable scale or luggage scale of a kind of spontaneous electrical function according to claim 1, it is characterised in that：The scale body （1）Including cover（11）And bottom（12）, the cover（11）And bottom（12）Connect to form the scale intracoelomic cavity（2）, it is described Bottom（12）It is open to pass hook of weighing（7）.

10. the portable scale or luggage scale of a kind of spontaneous electrical function according to claim 1, it is characterised in that：The scale body （1）Also include connecting sensor assembly respectively（4）, hook of weighing（7）Suspender belt（71）.